FP6339WQGTR PDF Datasheet – Step-Down Controller

Part Number: FP6339WQGTR, FP6339

Function: Synchronous Step-Down Controller

Package: TQFN-16 (3mmx3mm) type

Manufacturer: Fiti ( fitipower integrated technoloty inc )

Image:

FP6339WQGTR datasheet pdf

Description

The FP6339WQGTR is a cost effective, constant on-time synchronous buck, pseudo fixed-frequency, PWM controller for voltage regulation in system power applications, such as notebook PCs and other battery operated portable devices. The FP6339 includes a PWM controller generating output voltage form 0.75V to 5.25V using external resistors.

Features

1. High Efficiency and Low Power Consumption
2. 1µA Typical Shutdown Current
3. ±1% Internal Reference Accuracy
4. Wide Input Supply Voltage Range : 3V to 25V
5. Internal Soft-Start
6. Under-Voltage-Lock-Out Protection
7. Integrated Soft-Stop at Output

Applications

1. Notebook and Sub-Notebook Computers
2. I/O Supplies
3. System Power Supplies

FP6339WQGTR PDF Datasheet

FP6339WQGTR pdf


 

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CXA3809M Datasheet – AC-DC Controller – Sony ( PDF )

Part Number: CXA3809M

Description

AC-DC Controller, BiCMOS silicon monolithic IC

Package:  24-pin SOP Type

Manufacturer: Sony

Image

CXA3809M controller

Description

The CXA3809M has optimum configuration to realize various power supply circuits easily and compactly by including Power-factor correction, resonant controller and various protection function in one package.
(Applications: Power supply circuit, etc.)

Pinout

CXA3809M datasheet pinout
Features

1. Power-factor correction

(1) Multiplierless critical conduction mode (CRM) control
(2) Supports W/W input
(3) Restart timer
(4) Maximum frequency limit (during overcurrent detection)
(5) Continuous overcurrent detection protection function

2. Resonant controller

(1) Timer-latch over current protection
(2) Soft start function
(3) Adjustment minimum frequency limit
(4) Pulse over current load detection
(5) Out of resonance prevention function at start-up

3. Common

(1) Adjacent 2-pin short protection
(2) Various protection functions including overvoltage and overcurrent
(3) AC off detection
(4) PFC-OK signal output

CXA3809M Datasheet


 

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